1 July 1990 Low-resolution array spectrograph for the 2.9- to 13.5-um spectral region
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This paper describes the optical system and the electronics of a newly developed low-resolution IR spectrograph, designed for ground-based and airborne observations. The spectrograph covers the entire 2.9- to 13.5-micron spectral region simultaneously, without scanning, at a nominal resolving power of 50 and a minimum resolving power of 20. The new spectrograph equals in spectral coverage to circular variable filter spectrometers that contain three filter segments. Because all of the detectors view the source through the same aperture, telescope tracking errors do not result in spectral ambiguities such as those that can arise in scanning spectrometers.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John A. Hackwell, John A. Hackwell, David W. Warren, David W. Warren, M. A. Chatelain, M. A. Chatelain, Yaniv Dotan, Yaniv Dotan, Patricia H. Lew, Patricia H. Lew, David K. Lynch, David K. Lynch, Dan J. Mabry, Dan J. Mabry, Ray W. Russell, Ray W. Russell, Robert M. Young, Robert M. Young, } "Low-resolution array spectrograph for the 2.9- to 13.5-um spectral region", Proc. SPIE 1235, Instrumentation in Astronomy VII, (1 July 1990); doi: 10.1117/12.19086; https://doi.org/10.1117/12.19086


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